When a geographers sees how places are alike they are comparing regions or places to one another. By comparing places, a geographer can analyze human history, factors that contributes, and similarities and differences.
There is a pdf file, regarding the 5 themes of geography. This can help you study and revise, if you have any questions please reply.
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Seeing how the Great Depression was long gone since 1939, A would be incorrect, and World War Two started in 1939(US entered the war in 1941) so B would make no sense either. The integration problem happened in the 60's so that would be incorrect as well, using the process of elimination the correct answer would be D) The United States and the Soviet Union had been involved in the Cold War for about four decades.
A study routine is the answer

People play a very important role in the process of development as :
- People themselves are a part of development
- Contribution and a small hand itself from the side of people provide a great help.
- Mutual understanding amoung other people and spreading of awareness.
Answer:
This theory states that authority between the two levels of U.S. government, national and state, could be treated equally, live together equally, and hold roughly equal authority. Dual federalism has been nicknamed 'layer-cake federalism', since it imagines an obvious separation between state and federal duties.
Explanation:
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